Home / 7,827,811.60-11,727,720.60-6,624,086.80

Finding the Fourth Proportional to 7,827,811.60, 11,727,720.60 and 6,624,086.80

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Solution

The fourth proportional to 7,827,811.60, 11,727,720.60 and 6,624,086.80 is: 9,924,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827,811.60 : 11,727,720.60 = 6,624,086.80 : x
  2. Step 2: Convert to fraction form
    7,827,811.60/11,727,720.60 = 6,624,086.80/x
  3. Step 3: Cross multiply
    7,827,811.60x = 11,727,720.60 × 6,624,086.80
  4. Step 4: Simplify right side
    7,827,811.60x = 77,685,439,220,548.08
  5. Step 5: Solve for x
    x = 77,685,439,220,548.08/7,827,811.60
  6. Step 6: Final answer
    x = 9,924,285.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.